Episode 1 - Small Victoriescannot connectOriginal Air Date: June 30, 2000O'Neill, Carter and Teal'c return to Earth. Soon after, O'Neill and Teal'c must risk their lives to keep the Replicator bugs from gaining a foothold on Earth, and Carter goes to an Asgard planet to help Thor find a way to defeat the Replicators which are attacking an Asgard planet. (Part 2 of 2).

Episode 2 - The Other Sidecannot connectOriginal Air Date: July 7, 2000The SGC receives a distress signal from a planet which seems to have ties to Earth. The people on the planet are facing extinction at the hands of their enemy, and need help. SG-1 gates to the planet to offer aid, but as the situation grows more dire, they discover not all is as it seems.

Episode 3 - Upgradescannot connectOriginal Air Date: July 14, 2000A Tok'ra scientist brings a phenomenal new technology to the SGC: armbands that give the wearer greatly increased strength and speed. They were built by a race called the Atonieks, a now extinct species that predates even the Goa'uld. Guest starring Vanessa Angel as Anise / Freya.

Episode 4 - Crossroadscannot connectOriginal Air Date: July 21, 2000The SGC plays host to a woman from Teal'c's past, a Jaffa who claims she has succeeded in communicating with her symbiote and convincing it to turn against the Goa'uld. If true, the symbiote could offer up a wealth of information. Guest starring Vanessa Angel as Anise / Freya.

Episode 5 - Divide and Conquercannot connectOriginal Air Date: July 28, 2000When a member of the SGC attempts to kill a Tok'ra official, it is revealed that he was the victim of a Goa'uld mind control process that programs individuals for violent, suicidal acts. The Tok'ra test the rest of the SGC personnel. Guest starring Vanessa Angel as Anise / Freya.

Episode 6 - Window of Opportunitycannot connectOriginal Air Date: August 4, 2000Stargate Command is trapped in a temporal anomaly, but only Jack and Teal'c seem to be aware of the fact. They are faced with the dual task of convincing everyone that they're reliving the same day over and over again, and trying to find a way to break the time loop.

Episode 7 - Watergatecannot connectOriginal Air Date: August 11, 2000A chance discovery on the ocean floor gives the Russians access to Stargate technology. But when the a Russian scientist turn to the SGC for help, the SG-1 team is led to a remote military installation in Russia - and an unnerving mystery. Guest starring Marina Sirtis as Dr. Svetlana Markov.

Episode 8 - The First Onescannot connectOriginal Air Date: August 18, 2000While on an archeological expidition on an alien world, Daniel Jackson is captured and held prisoner by an Unas (last seen in season 3's Demons), and must use his many skills in order to survive. The rest of the SG-1 team go in search of him, but soon run into trouble themselves.

Episode 9 - Scorched Earthcannot connectOriginal Air Date: August 25, 2000SG-1 is caught in a conflict between two civilizations trying to colonize the same planet. SG-1 studies the situation, and concludes that the visitors' vessel is terraforming the planet for a type of life unlike any they know - sulfur-based life, rather than carbon-based.

Episode 10 - Beneath the Surfacecannot connectOriginal Air Date: September 1, 2000After visitong a world experiencing an ice age, the minds of Colonel O'Neill and the rest of the SG-1 team are erased by the ruling elite of the planet. They are then used as forced labor in an underground alien facility, under new identities that have been created by their captors.

Episode 11 - Point of No Returncannot connectOriginal Air Date: September 8, 2000The SG-1 team becomes aware of a conspiracy theorist who has heard rumors about the Stargate. Not only that, but he thinks he's an alien and claims to have vague memories of an alien life. General Hammond sends the team to Montana to investigate this seemingly ludicrous threat.

Episode 12 - Tangentcannot connectOriginal Air Date: September 15, 2000Using two recovered Goa'uld death gliders, Area 51 personnel have created a hybrid vessel that looks like a Goa'uld death glider on the outside, and a jet plane on the inside. Colonel O'Neill and Teal'c take the new craft out for a simple test, but they are soon marooned in space.

Episode 13 - The Cursecannot connectOriginal Air Date: September 22, 2000Daniel discovers that his mentor, Dr. Jordan, was killed in a lab explosion while analyzing the Osiris Jar, an artifact recently recovered from a "cursed" 1931 expedition to Egypt. Jackson travels to Chicago to attend the funeral and see his friends and former collegues again.

Episode 14 - The Serpent's Venomcannot connectOriginal Air Date: September 29, 2000When Apophis and Heru'ur decide to enter into an alliance, SG-1 must try to stop them. Teal'c goes to Chulak in an effort to recruit some of his fellow Jaffa warriors to help fight the Goa'uld. On Earth, Jacob Carter and the SGC receive a transmission from the Tok'ra through the Stargate.

Episode 15 - Chain Reactioncannot connectOriginal Air Date: January 5, 2001The SG-1 team must adjust to a new commanding officer, because General Hammond decides to step down as commander of the SGC. Shortly after, O'Neill discovers foul play behind the general's resignation, and he must team up with a former enemy to get to the bottom of it.

Episode 16 - 2010cannot connectOriginal Air Date: January 12, 2001Ten years into the future, Samantha Carter and Doctor Fraiser have discovered a dark secret that threatens the entire human race. The former members of SG-1 must again team up in order to send a message back into the past, in order to hopefully prevent this terrible disaster.

Episode 17 - Absolute Powercannot connectOriginal Air Date: January 19, 2001In an almost magical whirlwind, Daniel is reunited with the Harsesis child, Shifu (last seen in the episode Maternal Instinct). The child teaches Daniel a lesson by giving him some Goa'uld genetic memories and launching him on a spiritual journey. Daniel soon begins to behave erratically.

Episode 18 - The Lightcannot connectOriginal Air Date: January 26, 2001Lieutenant Barber of SG-5 unexpectedly commits suicide by jumping into a wormhole vortex. While investigating the cause of Lt. Barber's suicide, the SG-1 team travels to a planet where they find a Goa'uld pleasure palace, and they become transfixed by a beautiful, deadly device inside.

Episode 19 - Prodigycannot connectOriginal Air Date: February 2, 2001Carter tries to motivate a brilliant student by taking her through the Stargate. But a routine excursion takes a deadly turn when they are attacked by beings of pure energy. O'Neill orders an immediate evacuation, but a swarm of the life forms block their path.

Episode 20 - Entitycannot connectOriginal Air Date: February 9, 2001The SGC makes contact with a world whose address was taken from the Ancients' repository of knowledge, and sends through a MALP probe. An alien virus infiltrates the SGC computer and gathers classified data. When the virus is presumed killed, it has actually sought refuge in Carter's body.

Episode 21 - Double Jeopardycannot connectOriginal Air Date: February 16, 2001While offworld, the SG-1 team encounters the Goa'uld System Lord Cronus (who previously appeared in Fair Game and Crossroads) while trying to undo a mistake they supposedly made on a previous mission. They confront Cronus with the assistance of an unexpected source.

Episode 22 - Exoduscannot connectOriginal Air Date: February 23, 2001As SG-1 helps to evacuate the Tok'ra from the planet Vorash, matters are complicated when a spy reveals their location to Apophis. The team attempts a daring plan to take out the Goa'uld's powerful fleet, but the captured spy soon escapes, jeopardizing their plan. (Part 1 of 2).